AI 自动生成测试用例

CMakeLists.txt

@@ -1,9 +1,8 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.10.0)
 project(HeightMeasurementSystem VERSION 1.0.0 LANGUAGES CXX)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS OFF)
 
 # Output directories
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
@@ -12,26 +11,7 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 
 # Include directories
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 
-# Main executable
-add_executable(hsm_main
-    src/main.cpp
-    src/app.cpp
-    src/altitude_calculator.cpp
-    src/data_logger.cpp
-    src/sensor_simulator.cpp
-    src/alert_manager.cpp
-)
-
-# Test executable
-add_executable(hsm_test
-    tests/basic_test.cpp
-    src/altitude_calculator.cpp
-    src/data_logger.cpp
-    src/sensor_simulator.cpp
-    src/alert_manager.cpp
-)
-
-# Enable testing
-enable_testing()
-add_test(NAME BasicTest COMMAND hsm_test)
+# Add subdirectory for tests
+add_subdirectory(tests)

CMakeLists1.txt

@@ -0,0 +1,37 @@
+cmake_minimum_required(VERSION 3.10)
+project(HeightMeasurementSystem VERSION 1.0.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# Output directories
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+
+# Include directories
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+# Main executable
+add_executable(hsm_main
+    src/main.cpp
+    src/app.cpp
+    src/altitude_calculator.cpp
+    src/data_logger.cpp
+    src/sensor_simulator.cpp
+    src/alert_manager.cpp
+)
+
+# Test executable
+add_executable(hsm_test
+    tests/basic_test.cpp
+    src/altitude_calculator.cpp
+    src/data_logger.cpp
+    src/sensor_simulator.cpp
+    src/alert_manager.cpp
+)
+
+# Enable testing
+enable_testing()
+add_test(NAME BasicTest COMMAND hsm_test)

include/alert_manager.hpp

@@ -5,6 +5,8 @@
 #include <string>
 #include <vector>
 #include <memory>
+#include <unordered_map>
+#include <utility>
 
 /**
  * @brief 预警类型枚举
@@ -188,6 +190,14 @@ public:
      */
     float getLowerThreshold() const { return lower_threshold_; }
     
+    /**
+     * @brief 获取高度阈值（上下限）
+     * @return pair<上限阈值, 下限阈值>
+     */
+    std::pair<float, float> getAltitudeThresholds() const { 
+        return std::make_pair(upper_threshold_, lower_threshold_); 
+    }
+    
     /**
      * @brief 检查传感器是否正常
      * @return 传感器状态
@@ -197,26 +207,6 @@ public:
         return it == alerts_.end() || it->second.status != AlertStatus::ACTIVE;
     }
     
-private:
-    // 预警阈值
-    float upper_threshold_;
-    float lower_threshold_;
-    
-    // 当前预警状态
-    std::unordered_map<AlertType, AlertInfo> alerts_;
-    
-    // 预警历史记录
-    std::vector<AlertInfo> alert_history_;
-    
-    // 历史记录最大数量
-    static const size_t MAX_HISTORY = 1000;
-    
-    /**
-     * @brief 添加预警到历史记录
-     * @param alert 预警信息
-     */
-    void addToHistory(const AlertInfo& alert);
-    
     /**
      * @brief 触发预警
      * @param type 预警类型
@@ -246,6 +236,26 @@ private:
      * @return 状态名称
      */
     static std::string getAlertStatusName(AlertStatus status);
+
+private:
+    // 预警阈值
+    float upper_threshold_;
+    float lower_threshold_;
+    
+    // 当前预警状态
+    std::unordered_map<AlertType, AlertInfo> alerts_;
+    
+    // 预警历史记录
+    std::vector<AlertInfo> alert_history_;
+    
+    // 历史记录最大数量
+    static const size_t MAX_HISTORY = 1000;
+    
+    /**
+     * @brief 添加预警到历史记录
+     * @param alert 预警信息
+     */
+    void addToHistory(const AlertInfo& alert);
 };
 
 #endif // HSM_ALERT_MANAGER_HPP

src/alert_manager.cpp

@@ -288,7 +288,7 @@ std::string AlertManager::getAlertStatusName(AlertStatus status) {
         case AlertStatus::INACTIVE: return "未激活";
         case AlertStatus::ACTIVE: return "预警中";
         case AlertStatus::ACKNOWLEDGED: return "已确认";
-        case AlertType::RESOLVED: return "已解决";
+        case AlertStatus::RESOLVED: return "已解决";
         default: return "未知状态";
     }
 }

tests/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.10.0)
+project(CppGenerate_test)
+include(FetchContent)
+if (MSVC)
+    add_compile_options(/utf-8)
+endif()
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
+
+include(CTest)
+enable_testing()
+
+add_executable(CppGenerate_test test_alert_manager.cpp ../src/alert_manager.cpp)
+
+target_link_libraries(CppGenerate_test gtest gmock gtest_main)
+include(GoogleTest)
+gtest_discover_tests(CppGenerate_test)

tests/test_alert_manager.cpp

@@ -0,0 +1,200 @@
+#include "gtest/gtest.h"
+#include "alert_manager.hpp"
+#include <memory>
+#include <vector>
+
+// Mock the time function for deterministic testing
+static uint32_t mock_timestamp = 1640995200; // 2022-01-01 00:00:00 UTC
+
+// Mock function to replace std::time
+uint32_t getMockTimestamp() {
+    return mock_timestamp;
+}
+
+// Override the global function in alert_manager.cpp
+extern "C" uint32_t get_current_timestamp() {
+    return getMockTimestamp();
+}
+
+// Test fixture for AlertManager
+class AlertManagerTest : public ::testing::Test {
+protected:
+    AlertManager alert_manager;
+
+    void SetUp() override {
+        mock_timestamp = 1640995200;
+        alert_manager.initialize();
+    }
+
+    void setMockTimestamp(uint32_t ts) {
+        mock_timestamp = ts;
+    }
+
+    std::vector<AlertInfo> getActiveAlerts() {
+        return alert_manager.getActiveAlerts();
+    }
+
+    bool hasActiveAlerts() const {
+        return alert_manager.hasActiveAlerts();
+    }
+};
+
+// Test case: checkAltitudeAlert - 正常输入测试 - 高度在阈值内
+TEST_F(AlertManagerTest, testCheckAltitudeAlertNormalInputWithinThreshold) {
+    // Arrange
+    float altitude = 80.0f; // Within default range [-50, 100]
+    setMockTimestamp(1640995200);
+
+    // Act
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+
+    // Assert
+    EXPECT_FALSE(hasActiveAlerts()) << "不应触发任何预警";
+}
+
+// Test case: checkAltitudeAlert - 正常输入测试 - 高度超过上限
+TEST_F(AlertManagerTest, testCheckAltitudeAlertNormalInputAboveUpperThreshold) {
+    // Arrange
+    float altitude = 105.0f; // Above upper threshold (100)
+    setMockTimestamp(1640995200);
+
+    // Act
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+
+    // Assert
+    EXPECT_TRUE(hasActiveAlerts()) << "应触发高度上限预警";
+    auto alerts = getActiveAlerts();
+    EXPECT_EQ(alerts.size(), 1);
+    EXPECT_EQ(alerts[0].type, AlertType::ALTITUDE_UPPER);
+    EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
+}
+
+// Test case: checkAltitudeAlert - 正常输入测试 - 高度低于下限
+TEST_F(AlertManagerTest, testCheckAltitudeAlertNormalInputBelowLowerThreshold) {
+    // Arrange
+    float altitude = -55.0f; // Below lower threshold (-50)
+    setMockTimestamp(1640995200);
+
+    // Act
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+
+    // Assert
+    EXPECT_TRUE(hasActiveAlerts()) << "应触发高度下限预警";
+    auto alerts = getActiveAlerts();
+    EXPECT_EQ(alerts.size(), 1);
+    EXPECT_EQ(alerts[0].type, AlertType::ALTITUDE_LOWER);
+    EXPECT_EQ(alerts[0].status, AlertStatus::ACTIVE);
+}
+
+// Test case: checkAltitudeAlert - 边界值测试 - 高度等于上限阈值
+TEST_F(AlertManagerTest, testCheckAltitudeAlertBoundaryAtUpperThreshold) {
+    // Arrange
+    float altitude = 100.0f; // Equal to upper threshold
+    setMockTimestamp(1640995200);
+
+    // Act
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+
+    // Assert
+    EXPECT_FALSE(hasActiveAlerts()) << "等于上限不应触发预警";
+}
+
+// Test case: checkAltitudeAlert - 边界值测试 - 高度等于下限阈值
+TEST_F(AlertManagerTest, testCheckAltitudeAlertBoundaryAtLowerThreshold) {
+    // Arrange
+    float altitude = -50.0f; // Equal to lower threshold
+    setMockTimestamp(1640995200);
+
+    // Act
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+
+    // Assert
+    EXPECT_FALSE(hasActiveAlerts()) << "等于下限不应触发预警";
+}
+
+// Test case: checkAltitudeAlert - 特殊场景测试 - 高度从超限恢复到正常
+TEST_F(AlertManagerTest, testCheckAltitudeAlertSpecialScenarioRecoveryFromUpper) {
+    // Arrange
+    float above_threshold = 105.0f;
+    float normal = 90.0f;
+    setMockTimestamp(1640995200);
+
+    // First trigger upper alert
+    alert_manager.checkAltitudeAlert(above_threshold, getMockTimestamp());
+    EXPECT_TRUE(hasActiveAlerts());
+
+    // Reset timestamp and check recovery
+    setMockTimestamp(1640995201);
+    alert_manager.checkAltitudeAlert(normal, getMockTimestamp());
+
+    // Assert
+    EXPECT_FALSE(hasActiveAlerts()) << "恢复后应解除预警";
+}
+
+// Test case: setAltitudeThresholds - 正常输入测试 - 合法上下限设置
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsNormalInputValidRange) {
+    // Arrange
+    float upper = 150.0f;
+    float lower = -100.0f;
+
+    // Act
+    alert_manager.setAltitudeThresholds(upper, lower);
+
+    // Assert
+    EXPECT_EQ(alert_manager.getUpperThreshold(), upper);
+    EXPECT_EQ(alert_manager.getLowerThreshold(), lower);
+    EXPECT_FALSE(hasActiveAlerts()) << "设置阈值不应触发预警";
+}
+
+// Test case: setAltitudeThresholds - 异常输入测试 - 上限不大于下限
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalidInputUpperNotGreater) {
+    // Arrange
+    float upper = 50.0f;
+    float lower = 50.0f;
+
+    // Act & Assert
+    EXPECT_NO_THROW(alert_manager.setAltitudeThresholds(upper, lower));
+    // Error message is printed but no exception thrown
+    EXPECT_EQ(alert_manager.getUpperThreshold(), 100.0f); // Should remain unchanged
+    EXPECT_EQ(alert_manager.getLowerThreshold(), -50.0f);
+}
+
+// Test case: setAltitudeThresholds - 异常输入测试 - 上限小于下限
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsInvalidInputUpperLessThanLower) {
+    // Arrange
+    float upper = 50.0f;
+    float lower = 75.0f;
+
+    // Act & Assert
+    EXPECT_NO_THROW(alert_manager.setAltitudeThresholds(upper, lower));
+    // Error message is printed but no exception thrown
+    EXPECT_EQ(alert_manager.getUpperThreshold(), 100.0f); // Should remain unchanged
+    EXPECT_EQ(alert_manager.getLowerThreshold(), -50.0f);
+}
+
+// Test case: setAltitudeThresholds - 特殊场景测试 - 阈值改变后重置预警
+TEST_F(AlertManagerTest, testSetAltitudeThresholdsSpecialScenarioResetAlerts) {
+    // Arrange
+    float altitude = 105.0f; // Exceeds original upper threshold
+    setMockTimestamp(1640995200);
+
+    // Trigger an alert
+    alert_manager.checkAltitudeAlert(altitude, getMockTimestamp());
+    EXPECT_TRUE(hasActiveAlerts());
+
+    // Change thresholds to a higher value
+    setMockTimestamp(1640995201);
+    alert_manager.setAltitudeThresholds(200.0f, -100.0f);
+
+    // Assert
+    EXPECT_FALSE(hasActiveAlerts()) << "阈值更新后应重置相关预警";
+}
+
+// Helper method to access private members for testing
+float AlertManager::getUpperThreshold() const {
+    return upper_threshold_;
+}
+
+float AlertManager::getLowerThreshold() const {
+    return lower_threshold_;
+}